It shouldn't take much to get a Mach into the 12s, depending on where you live. Here's a video of a Mach running 12.54 with just a Prochamber, K&N Filter, and 275 Nitto Drag Radials:
http://video.google.com/videoplay?docid=9001341930167775795&q=%22mach+1%22&hl=en
This was obviously done...